Home / Documentation / Classes / Inventory_Presser_Plugin / Inventory_Presser_Plugin::maybe_add_meta_query()

Inventory_Presser_Plugin::maybe_add_meta_query( array $meta_query, string $key, string $value, string $compare, string $type )

Filter callback that changes a query’s meta_query value if the meta_query does not already contain the provided $key.

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Parameters Parameters

$meta_query

(array) (Required) The meta_query member of a WP_Query, retrieved with WP_Query->get(‘meta_query’).

$key

(string) (Required)

$value

(string) (Required)

$compare

(string) (Required)

$type

(string) (Required)

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Return Return

(array) The modified $meta_query array

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Source Source

File: inventory-presser.php 

		public static function maybe_add_meta_query( $meta_query, $key, $value, $compare, $type ) {
			// Make sure there is not already $key item in the meta_query.
			if ( self::meta_query_contains_clause( $meta_query, $key, $value, $compare, $type ) ) {
				return $meta_query;
			}

			$meta_query[] = array(
				'key'     => $key,
				'value'   => $value,
				'compare' => $compare,
				'type'    => $type,
			);
			return $meta_query;
		}

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